为什么节食运动还不瘦 Why is diet and exercise not thin
为什么运动后用冷水洗澡不好?
就很好地说明了为什么运动对你有好处。
但是,他说,对双胞胎所做的另一个研究表明,手指长度主要受遗传因素影响,这可以解释为什么运动能力强的父母生的孩子运动能力也较强。
But he said it had been found in a separate study of twins that finger length was largely inherited, possibly explaining why sporting parents often have sporting children.
Mercury is a liquid metal, and mercury, the planet, is the fastest moving naked eye heavenly body. Mars, iron, why is Mars red?
水银是液态金属,水银,行星,是肉眼能看到的运动最快的天体,火星,铁,为什么火星是红色的?
That is why we don't worry about the motion of the nucleus 1 because the ratio of mass is about 2,000 to one.
这就解释了为什么我们不担心,原子核运动起来,因为原子核和电子的质量比约为2000:
Dynamics then tells you why the object goes up, why the object goes down and why is it pulled down and so on.
而动力学则会告诉你为什么物体向上运动,为什么向下运动,为什么停下来,等等
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